"Cook County property tax burdens are among America's highest, with triennial reassessments driving spikes up to five hundred percent in some areas, making annual cookcountypropertytax appeals essential through the cookcountypropertytaxreduction process via the CookCountyAssessor, CookCountyBoardofReview, and Illinois Property Tax Appeal Board (PTAB). O’Connor’s experts, led by Jeff Cullen with over two decades in client service, deliver no-risk Property Tax Protection Program™ services—analyzing assessments for market value and unequal appraisal errors using proprietary databases, comparable sales, and equity data to support attorneys at every stage from assessor reviews to judicial appeals, ensuring you never miss deadlines for equalization hikes or exemptions like the nine hundred dollar plus Homeowner Exemption average savings. With over fifty years serving one hundred thousand plus clients across forty states and one billion plus in total savings, their contingency model means no fees unless taxes drop,
